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belka [17]
3 years ago
14

Drag each characteristic or feature to the correct location on the diagram.

Biology
2 answers:
amm18123 years ago
8 0

Answer:

<u>Fish:</u> gills in adult

<u>Fish & Amphibians:</u> extrenal fertilization

<u>Amphibians:</u> metamorphois

<u>Fish & Reptiles:</u> scales

<u>Fish, Reptiles, & Amphibians:</u> ectothermic, spinal cord

<u>Reptiles & Amphibians:</u> lungs in adult

<u>Reptiles:</u> amniotic eggs

saveliy_v [14]3 years ago
5 0

Answer:

  1. external fertilization : fish (exception of some sharks), amphibians
  2. metamorphosis : insects, amphibians, echinoderms and starfish
  3. spinal cord : all vertebrates
  4. scales : reptiles, fish, mammals, birds
  5. ectothermic : fish, amphibians, reptiles
  6. amniotic eggs : birds, mammals, reptiles
  7. gills in adults : fish
  8. lungs in adults: mammals, birds, reptiles, amphibians

Explanation:

  • External fertilization is fertilization i.e. fusion of egg and sperm outside the body of the female. This usually occurs in fish and amphibians.
  • Metamorphosis refers to the developmental stages of insects, amphibians and echinoderms. It involves continuous change in shape or form during the life cycle.
  • A spinal cord protected by the vertebral column is a feature of all vertebrates.
  • Ectothermic animals are cold blooded i.e. they cannot regulate their body temperatures. Their body temperature changes with external changes.
  • Amniotic eggs refer to eggs with a yolk or amniotic sac around the embryo. The amniotic sac protects the embryo. In the case of birds, it provides nutrients.  
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